The NUSU2 Tournament has added Warhammer 40K and Fantasy events.
From their announcement:

The upcoming Nut Up or Shut Up weekend next month in South West England has been expanded to include a 2,000 point Warhammer tournament as well as the existing 200 point Infinity and 1,500 point Warhammer 40,000 tournaments.
There are still plenty of places left with hundreds of pounds in prize support up for grabs.